Prove that 7-3root 5 is an irrational number
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Step-by-step explanation:
Assume that 7-3√5 is irrational.
therefore: 7-3√5 =x
3√5= x+7
√5 = x+7/3
therefore √5 is irrational and x+7/3 is rational.
therefore a number can't be rational as well as irrational.
Hence proved,7-3√5 is irrational
Hope this helps u
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